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Diffstat (limited to 'src/translators/freedb_util.cpp')
| -rw-r--r-- | src/translators/freedb_util.cpp | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/src/translators/freedb_util.cpp b/src/translators/freedb_util.cpp new file mode 100644 index 0000000..6640ef6 --- /dev/null +++ b/src/translators/freedb_util.cpp @@ -0,0 +1,376 @@ +/*************************************************************************** + * * + * Modified from cd-discid.c, found at http://lly.org/~rcw/cd-discid/ * + * * + * Copyright (c) 1999-2003 Robert Woodcock <rcw@debian.org> * + * * + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of version 2 of the GNU General Public License as * + * published by the Free Software Foundation; * + * * + ***************************************************************************/ + +#include "freedbimporter.h" +#include "../tellico_debug.h" + +using Tellico::Import::FreeDBImporter; + +extern "C" { +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <fcntl.h> +#include <sys/ioctl.h> + +/* Porting credits: + * Solaris: David Champion <dgc@uchicago.edu> + * FreeBSD: Niels Bakker <niels@bakker.net> + * OpenBSD: Marcus Daniel <danielm@uni-muenster.de> + * NetBSD: Chris Gilbert <chris@NetBSD.org> + * MacOSX: Evan Jones <ejones@uwaterloo.ca> http://www.eng.uwaterloo.ca/~ejones/ + */ + +#if defined(__linux__) + +// see http://bugs.kde.org/show_bug.cgi?id=86188 +#ifdef __STRICT_ANSI__ +#undef __STRICT_ANSI__ +#define _ANSI_WAS_HERE_ +#endif +#include <linux/types.h> +#include <linux/cdrom.h> +#ifdef _ANSI_WAS_HERE_ +#define __STRICT_ANSI__ +#undef _ANSI_WAS_HERE_ +#endif +#define cdte_track_address cdte_addr.lba + +#elif defined(sun) && defined(unix) && defined(__SVR4) + +#include <sys/cdio.h> +#define CD_MSF_OFFSET 150 +#define CD_FRAMES 75 +/* According to David Schweikert <dws@ee.ethz.ch>, cd-discid needs this + * to compile on Solaris */ +#define cdte_track_address cdte_addr.lba + +#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + +#include <netinet/in.h> +#include <sys/cdio.h> +#define CDROM_LBA CD_LBA_FORMAT /* first frame is 0 */ +#define CD_MSF_OFFSET 150 /* MSF offset of first frame */ +#define CD_FRAMES 75 /* per second */ +#define CDROM_LEADOUT 0xAA /* leadout track */ +#define CDROMREADTOCHDR CDIOREADTOCHEADER +#define CDROMREADTOCENTRY CDIOREADTOCENTRY +#define cdrom_tochdr ioc_toc_header +#define cdth_trk0 starting_track +#define cdth_trk1 ending_track +#define cdrom_tocentry ioc_read_toc_single_entry +#define cdte_track track +#define cdte_format address_format +#define cdte_track_address entry.addr.lba + +#elif defined(__OpenBSD__) || defined(__NetBSD__) + +#include <netinet/in.h> +#include <sys/cdio.h> +#define CDROM_LBA CD_LBA_FORMAT /* first frame is 0 */ +#define CD_MSF_OFFSET 150 /* MSF offset of first frame */ +#define CD_FRAMES 75 /* per second */ +#define CDROM_LEADOUT 0xAA /* leadout track */ +#define CDROMREADTOCHDR CDIOREADTOCHEADER +#define cdrom_tochdr ioc_toc_header +#define cdth_trk0 starting_track +#define cdth_trk1 ending_track +#define cdrom_tocentry cd_toc_entry +#define cdte_track track +#define cdte_track_address addr.lba + +#elif defined(__APPLE__) + +#include <sys/types.h> +#include <IOKit/storage/IOCDTypes.h> +#include <IOKit/storage/IOCDMediaBSDClient.h> +#define CD_FRAMES 75 /* per second */ +#define CD_MSF_OFFSET 150 /* MSF offset of first frame */ +#define cdrom_tochdr CDDiscInfo +#define cdth_trk0 numberOfFirstTrack +/* NOTE: Judging by the name here, we might have to do this: + * hdr.lastTrackNumberInLastSessionMSB << 8 * + * sizeof(hdr.lastTrackNumberInLastSessionLSB) + * | hdr.lastTrackNumberInLastSessionLSB; */ +#define cdth_trk1 lastTrackNumberInLastSessionLSB +#define cdrom_tocentry CDTrackInfo +#define cdte_track_address trackStartAddress + +#else +# warning "Your OS isn't supported yet for CDDB lookup." +#endif /* os selection */ + +} + +#include <config.h> + +namespace { + class CloseDrive { + public: + CloseDrive(int d) : drive(d) {} + ~CloseDrive() { ::close(drive); } + private: + int drive; + }; +} + +QValueList<uint> FreeDBImporter::offsetList(const QCString& drive_, QValueList<uint>& trackLengths_) { + QValueList<uint> list; + + int drive = ::open(drive_.data(), O_RDONLY | O_NONBLOCK); + CloseDrive closer(drive); + if(drive < 0) { + return list; + } + + cdrom_tochdr hdr; +#if defined(__APPLE__) + dk_cd_read_disc_info_t discInfoParams; + ::memset(&discInfoParams, 0, sizeof(discInfoParams)); + discInfoParams.buffer = &hdr; + discInfoParams.bufferLength = sizeof(hdr); + if(ioctl(drive, DKIOCCDREADDISCINFO, &discInfoParams) < 0 + || discInfoParams.bufferLength != sizeof(hdr)) { + return list; + } +#else + if(ioctl(drive, CDROMREADTOCHDR, &hdr) < 0) { + return list; + } +#endif + +// uchar first = hdr.cdth_trk0; + uchar last = hdr.cdth_trk1; + + cdrom_tocentry* TocEntry = new cdrom_tocentry[last+1]; +#if defined(__OpenBSD__) + ioc_read_toc_entry t; + t.starting_track = 0; +#elif defined(__NetBSD__) + ioc_read_toc_entry t; + t.starting_track = 1; +#endif +#if defined(__OpenBSD__) || defined(__NetBSD__) + t.address_format = CDROM_LBA; + t.data_len = (last + 1) * sizeof(cdrom_tocentry); + t.data = TocEntry; + + if (::ioctl(drive, CDIOREADTOCENTRYS, (char *) &t) < 0) + return list; + +#elif defined(__APPLE__) + dk_cd_read_track_info_t trackInfoParams; + ::memset(&trackInfoParams, 0, sizeof(trackInfoParams)); + trackInfoParams.addressType = kCDTrackInfoAddressTypeTrackNumber; + trackInfoParams.bufferLength = sizeof(*TocEntry); + + for(int i = 0; i < last; ++i) { + trackInfoParams.address = i + 1; + trackInfoParams.buffer = &TocEntry[i]; + ::ioctl(drive, DKIOCCDREADTRACKINFO, &trackInfoParams); + } + + /* MacOS X on G5-based systems does not report valid info for + * TocEntry[last-1].lastRecordedAddress + 1, so we compute the start + * of leadout from the start+length of the last track instead + */ + TocEntry[last].cdte_track_address = TocEntry[last-1].trackSize + TocEntry[last-1].trackStartAddress; +#else /* FreeBSD, Linux, Solaris */ + for(uint i = 0; i < last; ++i) { + /* tracks start with 1, but I must start with 0 on OpenBSD */ + TocEntry[i].cdte_track = i + 1; + TocEntry[i].cdte_format = CDROM_LBA; + ::ioctl(drive, CDROMREADTOCENTRY, &TocEntry[i]); + } + + TocEntry[last].cdte_track = CDROM_LEADOUT; + TocEntry[last].cdte_format = CDROM_LBA; + ::ioctl(drive, CDROMREADTOCENTRY, &TocEntry[last]); +#endif + +#if defined(__FreeBSD__) + TocEntry[last].cdte_track_address = ntohl(TocEntry[last].cdte_track_address); +#endif + + for(uint i = 0; i < last; ++i) { +#if defined(__FreeBSD__) + TocEntry[i].cdte_track_address = ntohl(TocEntry[i].cdte_track_address); +#endif + list.append(TocEntry[i].cdte_track_address + CD_MSF_OFFSET); + } + + list.append(TocEntry[0].cdte_track_address + CD_MSF_OFFSET); + list.append(TocEntry[last].cdte_track_address + CD_MSF_OFFSET); + + // hey, these are track lengths! :P + trackLengths_.clear(); + for(uint i = 0; i < last; ++i) { + trackLengths_.append((TocEntry[i+1].cdte_track_address - TocEntry[i].cdte_track_address) / CD_FRAMES); + } + + delete[] TocEntry; + return list; +} + +inline +ushort from2Byte(uchar* d) { + return (d[0] << 8 & 0xFF00) | (d[1] & 0xFF); +} + +#define SIZE 61 +// mostly taken from kover and k3b +// licensed under GPL +FreeDBImporter::CDText FreeDBImporter::getCDText(const QCString& drive_) { + CDText cdtext; +#ifdef USE_CDTEXT +// only works for linux ATM +#if defined(__linux__) + int drive = ::open(drive_.data(), O_RDONLY | O_NONBLOCK); + CloseDrive closer(drive); + if(drive < 0) { + return cdtext; + } + + cdrom_generic_command m_cmd; + ::memset(&m_cmd, 0, sizeof(cdrom_generic_command)); + + int dataLen; + + int format = 5; + uint track = 0; + uchar buffer[2048]; + + m_cmd.cmd[0] = 0x43; + m_cmd.cmd[1] = 0x0; + m_cmd.cmd[2] = format & 0x0F; + m_cmd.cmd[6] = track; + m_cmd.cmd[8] = 2; // we only read the length first + + m_cmd.buffer = buffer; + m_cmd.buflen = 2; + m_cmd.data_direction = CGC_DATA_READ; + + if(ioctl(drive, CDROM_SEND_PACKET, &m_cmd) != 0) { + myDebug() << "FreeDBImporter::getCDText() - access error" << endl; + return cdtext; + } + + dataLen = from2Byte(buffer) + 2; + m_cmd.cmd[7] = 2048 >> 8; + m_cmd.cmd[8] = 2048 & 0xFF; + m_cmd.buflen = 2048; + ::ioctl(drive, CDROM_SEND_PACKET, &m_cmd); + dataLen = from2Byte(buffer) + 2; + + ::memset(buffer, 0, dataLen); + + m_cmd.cmd[7] = dataLen >> 8; + m_cmd.cmd[8] = dataLen; + m_cmd.buffer = buffer; + m_cmd.buflen = dataLen; + ::ioctl(drive, CDROM_SEND_PACKET, &m_cmd); + + bool rc = false; + int buffer_size = (buffer[0] << 8) | buffer[1]; + buffer_size -= 2; + + char data[SIZE]; + short pos_data = 0; + char old_block_no = 0xff; + for(uchar* bufptr = buffer + 4; buffer_size >= 18; bufptr += 18, buffer_size -= 18) { + char code = *bufptr; + + if((code & 0x80) != 0x80) { + continue; + } + + char block_no = *(bufptr + 3); + if(block_no & 0x80) { + myDebug() << "FreeDBImporter::readCDText() - double byte code not supported" << endl; + continue; + } + block_no &= 0x70; + + if(block_no != old_block_no) { + if(rc) { + break; + } + pos_data = 0; + old_block_no = block_no; + } + + track = *(bufptr + 1); + if(track & 0x80) { + continue; + } + + uchar* txtstr = bufptr + 4; + + int length = 11; + while(length >= 0 && *(txtstr + length) == '\0') { + --length; + } + + ++length; + if(length < 12) { + ++length; + } + + for(int j = 0; j < length; ++j) { + char c = *(txtstr + j); + if(c == '\0') { + data[pos_data] = c; + if(track == 0) { + if(code == (char)0xFFFFFF80) { + cdtext.title = QString::fromUtf8(data); + } else if(code == (char)0xFFFFFF81) { + cdtext.artist = QString::fromUtf8(data); + } else if (code == (char)0xFFFFFF85) { + cdtext.message = QString::fromUtf8(data); + } + } else { + if(code == (char)0xFFFFFF80) { + if(cdtext.trackTitles.size() < track) { + cdtext.trackTitles.resize(track); + } + cdtext.trackTitles[track-1] = QString::fromUtf8(data); + } else if(code == (char)0xFFFFFF81) { + if(cdtext.trackArtists.size() < track) { + cdtext.trackArtists.resize(track); + } + cdtext.trackArtists[track-1] = QString::fromUtf8(data); + } + } + rc = true; + pos_data = 0; + ++track; + } else if(pos_data < (SIZE - 1)) { + data[pos_data++] = c; + } + } + } + if(cdtext.trackTitles.size() != cdtext.trackArtists.size()) { + int size = QMAX(cdtext.trackTitles.size(), cdtext.trackArtists.size()); + cdtext.trackTitles.resize(size); + cdtext.trackArtists.resize(size); + } +#endif +#endif + return cdtext; +} +#undef SIZE |